TABLE 2.

Intervention Characteristics of Targeted Client Communication

Deployment CharacteristicDefinition
ModalityTo which communication channel (voice, SMS/text, social media platform) were messages sent?
DirectionalityWere messages one-way or two-way; provider to client and/or client to provider?
TailoringWere messages sent with information specific to the client, such as messages that include the client's name, the nearest or most appropriate clinic to receive services, or address a particular set of risk factors.
PhrasingWere messages sent to inform or to motivate a client?
ScheduleWhen and how frequently were messages sent? For example, SMS reminders sent at 10am, 3 days and 1 day before child's vaccination date.